Yunnan Longtu Education is a book company specializing in the research and development, printing, publishing and distribution of teaching AIDS for middle schools, as well as the research and development, customization, printing and packaging of test papers for primary and secondary schools. After more than ten years of precipitation, the company team is more mature and confident, and the products developed are more and more recognized by users. Our company's business philosophy is to do practical things in a down-to-earth manner, not to follow the trend and not to follow blindly. Team introduction: Our R&D team has a complete range of disciplines, and all the staff are teachers with bachelor degree or above. And has many years of experience in teaching, writing books and making paper.